American Music Awards 2011 - Katy Perry is tickled pink during her live performance.

American Music Awards 2011 - Katy Perry also bagged a special award for the first artist to have five number one singles from the same album.

American Music Awards 2011 - Kelly Clarkson rocks out in red.

American Music Awards 2011 - Taylor Swift walked away with three gongs including Artist of the Year.

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